1) N-The immeasurable point at which further inhalation of marijuana smoke will no longer get the user more high, and proceeds to only make the user sleepier.
2) N- The immeasurable point at which your lawn mower bag will hold no more grass.
Ex 1. Jimmy is way past critical grass, I bet he's passed out in an hour.
Ex 2. Load another bowl, I'm along way from critical grass.
Grass that was once living green lawn, but has succumbed to excessive traffic or heat. If you sit on it you get covered in bits of dead grass. Typically found in Australian backyards during summer, and at music festivals.
Three days of 40 degree heat and my backyard is just festival grass.
When somebody builds a house in Minecraft out of dirt, and they leave it up for so long the dirt becomes a grass block again. Meaning the roof is a "grass top".
Jamal " Have you seen Emma? She's wearing all leather armor! "
Matt " Yeah, shes such a grass top! "
a sexy beast that every one loves
"i really like sharni... you know sharni grass"
"reeowww"
When you wake up one day and the grass has turned into fucking shit and when you shit it is grass
Daddy - Um why the fuck is my shit fucking grass
Mommy - Idk Did you fuck a tree?
Son - Nah bitches I just wished for a Shit Grassing. I will be mowing the shit!
Parents - WDYM Shit Grassing *looks outside* WHY THE FUCK IS THE GRASS SHIT
9-1-1 Operator - We don’t know why the damn grass is shit
Mommy - Ok
Daddy - kills everyone in the room
The unmanicured (and highly unattractive) hair around a female's asshole
I was gonna rim sexy Tonya, but the bitch had fuckin praire grass!!!
Long grass, must be long stem and very green, tall enough to hide a pack of hunting velociraptors.
Come on, keep moving - we’ll be safe just as soon as we can traverse this raptor grass.